“deff”的概念、定义、翻译、参考文献-科学参考

单词	deff
释义	deff Encyclopedia 理学数据收集模式释 design effect;deff设计效应某特定抽样设计的估计量方差与相同样本量下无放回简单随机抽样的估计量方差之比。
随便看	forest productivity forest products futures Forest Products Laboratory U.S forest property rights reform forest protection forest protection machinery forest quantitative inheritance Forest railway locomotives forest railway vehicles forest range forest recreation forest recreation value forest recuperation forest regeneration forest region forest replacement cost method forest resource forest resource accounting forest resource allocation forest resource asset forest resource asset evaluation forest resource effect forest resource management information system forest resource map forest resource physical accounting

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。